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人教版（2024）
七年级下册英语单元知识点归纳
Unit 2 No Rules, No Order
◆短语归纳
1. be late (for) 迟到 2. on time 准时 3.have to 不得不
4. of course 当然 5. mobile phone 手机 6. make sb’s bed=make the bed 整理床铺
7. turn off 关掉 8. be absent from 缺席；不在 9. hang out 悬挂
10. focus on 集中注意力于 11. think about 思考；考虑
◆用法集萃
◆重点句型
1.Walk in the hallway. Don’t run..
走在走廊里。 别跑。
2.Be polite and treat one another with respect. You can’t litter.
要有礼貌，互相尊重。 你不能乱扔垃圾。
3.---Can we bring our phones to class ---No, we can’t.We must keep them in our lockers.
我们可以带手机去上课吗？ 不，我们不能。我们必须把它们放在储物柜里。
◆词形变化
◆单元语法归纳
语法 祈使句-用于表达命令、请求、劝告、警告、禁止等的句子叫做祈使句。Go and wash your hands.去洗你的手。——命令Be quiet, please.= Please be quiet.请安静。——请求Be kind to our sister.对姐妹要和善。——劝告Look out！Danger！小心！危险！——警告No parking.禁止停车。——禁止Don’t eat in class. 不要在课堂上吃东西。——禁止【注意】祈使句省略了主语you，如果句中有反身代词，需要判断省略的you的意思。Enjoy yourself. 祝你玩得开心。Help yourselves to the fish, children.孩子们，随意吃这鱼吧。【结构】（1）肯定祈使句结构： 动词原形+其它 Come in,please.（2）否定祈使句结构： Don't+动词原形+其它Don’t play on the road.It’s very dangerous. 不要马路上玩。很危险。（3）特殊结构：①Let’s do sth . 用来提出建议。②Be+形容词. 表示警告或请求。 ③No+名词/动名词. 表示禁止。Let’s go swimming. 让我们去游泳吧。Be careful！ 小心！No smoking!禁止吸烟！【中考难点】①祈使句，and+陈述句(通常用一般将来时） Work hard,and you will get good grades.努力学习，你会取得好成绩的。②祈使句，or+陈述句 (通常用一般将来时） Please be quick,or we’ll be late for school.请快点，否则我们上学要迟到了。have to/must区分（1）词性 must-情态动词+v.原形 must没有时态，人称和数量的变化 have to -have是实义动词，有时态人称和数的变化I had to go home at that time. 那时我不得不回家。She has to do her homework. 她不得不做她的作业。（2）意义must表示主观上认为必须做某事。have to +动词原形表示（客观条件下）不得不做某事。I must study hard. 我必须努力学习。I have to study hard. 我不得不努力学习。【易错】Must ... 否定回答为No, 主语+needn't.否定式 mustn't 表示 "一定不能” ，表示禁止 You mustn't play on the road. 你不可以在马路上玩。
【即学即练】
一、单项选择题
（ ）1. ______ quiet in the library, please.
A. Being B. Be C. To be D. Is
（ ）2. Let’s ______ basketball after school.
A. play B. to play C. playing D. plays
（ ）3. ______ eat too much junk food. It’s bad for your health.
A. Do B. Doesn’t C. Don’t D. Not
（ ）4. —Must I finish the work today
—No, you ______. You can do it tomorrow.
A. mustn’t B. can’t C. needn’t D. shouldn’t
（ ）5. ______ careful! The road is icy.
A. Being B. To be C. Be D. Is
（ ）6. You ______ cross the street when the light is red. It’s dangerous.
A. mustn’t B. needn’t C. can’t D. don’t have to
（ ）7. ______ late for class again, Tom.
A. Don’t be B. Not be C. Doesn’t be D. Can’t be
（ ）8. She ______ get up early every morning to catch the bus.
A. must B. have to C. has to D. need
（ ）9. ______ your hands before meals. It’s a good habit.
A. Washing B. Wash C. To wash D. Washes
（ ）10. Work hard, ______ you’ll fail the exam.
A. and B. or C. but D. so
二、选词填空（从方框中选择合适的词或短语并用其正确形式填空）
must / have to / don’t / let’s / be / no / mustn’t / or / and / enjoy
_________ smoke here! It’s a non-smoking area.
_________ go to the park this weekend. It’s beautiful there.
You _________ finish your homework before watching TV. (主观意愿)
He _________ stay at home because he is ill. (客观要求)
_________ noisy in the hospital.
_________ yourself at the party, Linda!
Please hurry up, _________ we’ll miss the train.
_________ photos in the museum. It’s not allowed.
They _________ play football on the street. It’s too dangerous.
Study hard _________ you’ll achieve your dream.
◆话题写作
【话题分析】
文体:议论文
◆拓展知识
公共场所规则：
No smoking.（禁止吸烟。）
Keep off the grass.（勿践踏草坪。）
1.Don't +动词原形+其他.不要做某事。
2.thanks for doing sth =thank you doing sth 感谢你（做）某事。
3.finish doing sth 完成做……
4.practise doing sth 练习做……
5. focus on doing sth 专心致志做 ……
6. need to do sth 需要做某事
1.polite adj. 有礼貌的→impolite (反义词)adj. 无礼的→politely adv.有礼貌地
2.relax v.放松；休息→relaxed adj. （人感到）放松的→relaxing adj. 令人放松的
3.build v.创建；建造→builder n.建筑师→building n.建筑物
4.person n.人→personal adj. 个人的；私人的
5.noise n.声音；噪声→noisy adj. 吵闹的
6.understand v.理解；领会→understanding n.人理解
7.quietly adv.轻声地；安静地→quiet adj. 安静的
8. absent adj. 缺席的→absence n. 缺席
9..untidy adj. 不整洁的→tidy (反义词)adj. 整洁的
9. like to do sth. =love to do sth. 喜欢/喜爱做某事
本单元是人与社会:主题为“班级与学校规则，规则意识”。学会用祈使句和情态动词来表达请求、命令、劝告等。写作任务是讨论学校的一些规章制度或家规。人称:以第一人称为主时态:一般现在时。要点:运用祈使句和情态动词表达请求、命令、劝告等.
Rules in my life
There are too many rules in my life! Now, let me tell you some of my rules.
At school, first, we can't be late for school. Besides, we have to wear school uniform. What's more, we can't run in the hallway, because it keeps us safe. Finally, we mustn't eat in class, because we must focus on learning. At home, I have more rules! I have to finish homework first. I must clean my bedroom every day. I think it's helpful because it keeps room tidy. And I can't watch TV on weekdays. I hate this rule because I love watching TV.
All in all, it's hard to follow all these rules, but they can help me to be a better person. As the saying goes, no rules, no order.
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